Salt can be used in two ways: For comfort after a period of stress or secondly as a treatment.
To facilitate energy recovery, it is sometimes advisable to use salt.
Salt helps fish save energy and recover from long journeys, for example, thanks to a phenomenon called osmoregulation.
Salt will therefore reduce the differences in concentrations between the inside of the fish and the outside, will limit its energy expenditure so that it maintains its salt concentrations.
Salt is a medicine for fish.
Using salt is not the solution to all problems.
Salt can fight and eliminate diseases such as fin rot, white spot (Ichtyo), Saprolegniosis, Dactylogyrosis, Examitosis, Costia, Oodinium and mycoses.
You should always know what disease is affecting your fish and not treat blindly.
It is recommended to at least find out about the disease affecting your pond if you do not want to suffer considerable losses.
Salt can be an aggressive treatment.
You need to make sure that the fish's mucous membranes and skin are completely repaired and surrounded by a uniform and sufficiently thick protective layer.
The treatment also kills the good bacteria, so you have to add more at the right time.
Salt is a medicine for fish.
It is therefore aggressive in higher doses.